How do I retroactively link my TikTok post to the TCM Invite Link?

To retroactively link a TikTok post to the TCM Invite Link,

1. Open the Invite Link on your mobile device - this can only be accessed via the TikTok mobile app 
2. Join the Campaign if you haven't already
3. Tap 'Upload video' on the first Deliverable 
4. Select 'Link an existing post'
5. Select the post you want to link